轴t和u的极限偏差(GB/T 1800.4—1999)　　　　　　　　　　　　　　　μm

基本尺寸/mm

t

u

大于

至

5

6

7

8

5

6

7

8

9

—

3

+22

+18

+24

+18

+28

+18

+32

+18

+43

+18

3

6

+28

+23

+31

+23

+35

+23

+41

+23

+53

+23

6

10

+34

+28

+37

+28

+43

+28

+50

+28

+64

+28

10

18

+41

+33

+44

+33

+51

+33

+60

+33

+76

+33

18

24

+50

+41

+54

+41

+62

+41

+74

+41

+93

+41

24

30

+50

+41

+54

+41

+62

+41

+74

+41

+57

+48

+61

+48

+69

+48

+81

+48

+100

+48

30

40

+59

+48

+64

+48

+73

+48

+87

+48

+71

+60

+76

+60

+85

+60

+99

+60

+122

+60

40

50

+65

+54

+70

+54

+79

+54

+93

+54

+81

+70

+86

+70

+95

+70

+109

+70

+132

+70

50

65

+79

+66

+85

+66

+96

+66

+112

+66

+100

+87

+106

+87

+117

+87

+133

+87

+161

+87

65

80

+88

+75

+94

+75

+105

+75

+121

+75

+115

+102

+121

+102

+132

+102

+148

+102

+176

+102

80

100

+106

+91

+113

+91

 +126

+91

+145

+91

+139

+124

+146

+124

+159

+124

+178

+124

+211

+124

100

120

+119

+104

+126

+104

+139

+104

+158

+104

+159

+144

+166

+144

+179

+144

+198

+144

+231

+144

120

140

+140

+122

+147

+122

+162

+122

+185

+122

+188

+170

+195

+170

+210

+170

+233

+170

+270

+170

140

160

+152

+134

+159

+134

+174

+134

+197

+134

+208

+190

+215

+190

+230

+190

+253

+190

+290

+190

160

180

+164

+146

+171

+146

+186

+146

+209

+146

+228

+210

+235

+210

+250

+210

+273

+210

+310

+210

180

200

+186

+166

+195

+166

+212

+166

+238

+166

+256

+236

+265

+236

+282

+236

+308

+236

+351

+236

200

225

+200

+180

+209

+180

+226

+180

+252

+180

+278

+258

+287

+258

+304

+258

+330

+258

+373

+258

225

250

+216

+196

+225

+196

+242

+196

+268

+196

+304

+284

+313

+284

+330

+284

+356

+284

+399

+284

250

280

+241

+218

+250

+218

+270

+218

+299

+218

+338

+315

+347

+315

+367

+315

+396

+315

+445

+315

280

315

+263

+240

+272

+240

+292

+240

+321

+240

+373

+350

+382

+350

+402

+350

+431

+350

+480

+350

315

355

+293

+268

+304

+268

+325

+268

+357

+268

+415

+390

+426

+390

+447

+390

+479

+390

+530

+390

355

400

+319

+294

+330

+294

+351

+294

+383

+294

+460

+435

+471

+435

+492

+435

+524

+435

+575

+435

400

450

+357

+330

+370

+330

+393

+330

+427

+330

+517

+490

+530

+490

+553

+490

+587

+490

+645

+490

450

500

+387

+360

+400

+360

+423

+360

+457

+360

+567

+540

+580

+540

+603

+540

+637

+540

+695

+540

500

560

+444

+400

+470

+400

+644

+600

+670

+600

+710

+600

560

630

+494

+450

+520

+450

+704

+660

+730

+660

+770

+660

630

710

+550

+500

+580

+500

+790

+740

+820

+740

+865

+740

710

800

+610

+560

+640

+560

+890

+840

+920

+840

+965

+840

800

900

+676

+620

+710

+620

+996

+940

+1030

+940

+1080

+940

900

1000

+736

+680

+770

+680

+1106

+1050

+1140

+1050

+1190

+1050

1000

1120

+846

+780

+885

+780

+1216

+1150

+1255

+1150

+1315

+1150

1120

1250

+906

+840

+945

+840

+1366

+1300

+1405

+1300

+1465

+1300

1250

1400

+1038

+960

+1085

+960

+1528

+1450

+1575

+1450

+1645

+1450

1400

1600

+1128

+1050

+1175

+1050

+1678

+1600

+1725

+1600

+1795

+1600

1600

1800

+1292

+1200

+1350

+1200

+1942

+1850

+2000

+1850

+2080

+1850

1800

2000

+1442

+1350

+1500

+1350

+2092

+2000

+2150

+2000

+2230

+2000

2000

2240

+1610

+1500

+1675

+1500

+2410

+2300

+2475

+2300

+2580

+2300

2240

2500

+1760

+1650

+1825

+1650

+2610

+2500

+2675

+2500

+2780

+2500

2500

2800

+2035

+1900

+2110

+1900

+3035

+2900

+3110

+2900

+3230

+2900

2800

3150

+2235

+2100

+2310

+2100

+3335

+3200

+3410

+3200

+3530

+3200

注：基本尺寸至24mm的 t5 至 t8 的偏差值未列入表内，建议以 u5 至 u8 代替。如非要 t5至 t8，则可按 GB/T 1800.3计算。